Book
Linear Algebra
Author
Gilbert Strang
Edition
k=var('k')
a=matrix([[k,1],[4,k]])
print a
a.det()
solve(a.det(),k)
a.pivots()
a=matrix([[1,1],[4,2]])
print a
a.swap_rows(1,0)
print a
a.pivots()
Solution by:
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